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<h1>Silk</h1>

<h2>External links</h2>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Silk">Silk - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Spider_silk">Spider silk - Wikipedia</a></li>
<li><a href="https://ase.tufts.edu/biomedical/unolab/silk_optics.html">Silk optics - Silklab at Tufts University</a></li>
<li><a href="https://en.wikipedia.org/wiki/Fibroin">Fibroin - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Bombyx_mori">Bombyx mori - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Antheraea_mylitta">Antheraea mylitta - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Antheraea_assamensis">Antheraea assamensis - Wikipedia</a></li>
<li><a href="http://www.wormspit.com/erisilkworms.htm">Samia ricini, the eri silkworms - Wormspit.com</a></li>
</ul>
